The Food Show: A primer on preserves

For 12 years, The Food Show took listeners inside the food business, exploring news and trends in food production, marketing and consumption. Beginning in 1978, host Jim Wright – a former circus ringmaster – navigated through the gastronomical gamut as listeners learned all about the food business. From important news to tips on camel-milking or microwave cookery, The Food Show offered a wealth of information on anything food-related.

Whether you went overboard in planting your garden this year or you're making
preserves for friends and family, Tim Christieson can help. In this 1978 clip
from CBC Radio's The Food Show, Christieson offers a simple crash
course on how best to preserve your fruits and vegetables.

• Botulism often occurs in improperly prepared homemade preserves, but can
easily be avoided by with good technique and proper equipment. Bulging cans and
lids are sure sign of botulism bacteria, which can cause a potentially fatal
paralytic illness.